Notes in Elastic_behavior_of_lung

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Published	11/05/2024	ability of the lung to stretch and recoil can be explained by {{c1::compliance}} and {{c1::elastic recoil}}
Published	11/05/2024	define lung compliance
Published	11/05/2024	lung compliance is an index for lung {{c1::distensibility}}
Published	11/05/2024	patients with {{c1::higher}} lung compliance are breath easier than those with {{c1::lower}} compliance
Published	11/05/2024	define functional residual capacity (FRC)
Published	11/05/2024	normal compliance of lungs alone is {{c1::0.2}} {{c2::L/cm H2O transmural pressure}} (unit)
Published	11/05/2024	compliance of the chest wall is about {{c1::0.2}} L/cm H2O transmural pressure
Published	11/05/2024	Total compliance of the lungs and chest wall is {{c1::0.1}} L/cm H2O transmural pressure
Published	11/05/2024	factors reducing pulmonary compliance
Published	11/05/2024	factors increasing pulmonary compliance
Published	11/05/2024	how loss of lung elastic tissue result in difficult expiration
Published	11/05/2024	cause of closure of small airways in patients with elastic tissue loss
Published	11/05/2024	define elastic recoil of the lung
Published	11/05/2024	causes of elastic tendency of the lung
Published	11/05/2024	elastic force caused by elastic tissue in lung are determined by {{c1::elastin}} and {{c1::collagen}} fibers
Published	11/05/2024	elastic recoil is caused by elastic tissue in {{c1::lung}} and {{c1::thoracic wall}}
Published	11/05/2024	elastic force from alveolar surface tension represents {{c1::2/3}} of elastic recoil of the lung
Published	11/05/2024	surface tension is produced by {{c1::attractive forces between water molecules}}
Published	11/05/2024	lung expansion requires energy to {{c1::stretch elastic tissue of the lung}} and {{c1::overcome surface tension}}
Published	11/05/2024	pulmonary surfactant is formed of {{c1::phospholipids}}, {{c1::proteins}}, and {{c1::calcium ions}}
Published	11/05/2024	surfactant forms decreases surface tension {{c1::2}} to {{c1::10}} folds
Published	11/05/2024	functions of the lung surfactant
Published	11/05/2024	how does the pumonary surfactant prevent lung edema
Published	11/05/2024	how does lung surfactant stabilize size of alveoli
Published	11/05/2024	what if lung surfactant didn't stabilizes size of alveoli
Published	11/05/2024	the law of laplace (in alveoli)
Published	11/05/2024	assuming no surfactant, according the law of laplace what occurs to 2 connected alveoli with different size
Published	11/05/2024	assuming their is surfactant, according the law of laplace what occurs to 2 connected alveoli with different sizes
Published	11/05/2024	effects of inadequate synthesis of surfactant (in IRDS)
Published	11/05/2024	management for premature infants with IRDS (infant respiratory distress syndrome)
Published	11/05/2024	surface given to newborns is given by {{c1::inhalation}} (route of delivery)
Published	11/05/2024	management given to mothers suspecting premature birth (thus IRDS)
Published	11/05/2024	what cells secrete surfactant in the last 1 to 3 month of pregnancy
Published	11/05/2024	factors that promote alveoli to open
Published	11/05/2024	alveolar interdependence prevents {{c1::collapse}} of alveoli
Published	11/05/2024	work of breathing in quiet breathing
Published	11/05/2024	elastic force equals to {{c1::65}}% of work of breathing
Published	11/05/2024	resistive force equals to {{c1::35}}% of work of breathing
Published	11/05/2024	only {{c1::3}}% of total energy expenditure is for quiet breathing
Published	11/05/2024	only {{c1::5}}% of total energy expenditure is for deep breathing (during exercise)
Published	11/05/2024	energy need for breathing can reach {{c1::30}}% of total energy expenditure in patients with poor compliant lungs
Published	11/05/2024	causes of increased work during breathing
Published	11/05/2024	airway resistance represents {{c1::80}}% of resistive work in breathin
Published	11/05/2024	tissue resistance represents {{c1::20}}% of resistive work in breathin
Published	11/05/2024	cause of tissue resistance in breathing
Published	11/05/2024	what increases tissue resistive work of breathing
Published	11/05/2024	what increases airway resistive work of breathing
Published	11/05/2024	what increases elastic work of breathing
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